General
Plug connection	SC/SC

The FX_AC_HQ_SM_SC lead-in/return fibre from Softing IT Networks is a robust cable designed for use in demanding environments. With a length of 300 metres and a singlemode fibre construction, it is specifically designed to connect network test devices with the infrastructure under test. The fibre features SC/SC connectors at both ends and is equipped with a special metal sheathing, making it extremely durable and robust. This design is referred to as Heavy Duty Line and is particularly suitable for industrial or mobile applications where high mechanical stress may occur.

Applications
The lead-in/return fibre is used in network testing to securely connect test devices with the fibre link under examination. It serves as a connecting element between the measuring device and the actual network, enabling the measurement of optical properties such as attenuation, reflection, or fault locations. Due to its length of 300 metres, it is especially suitable for larger installations where the test device cannot be placed directly at the measurement point. The robust metal sheathing also makes it suitable for use in harsh environments such as production halls, construction sites, or outdoor areas.

Functions and Equipment in Detail
The fibre is constructed as a singlemode fibre, meaning it is optimised for transmitting light signals with high bandwidth and low attenuation over long distances. The SC/SC connectors at both ends allow for a secure and standardised connection with other fibre cables or devices. The special metal sheathing protects the cable against mechanical stresses such as pressure, tension, and bending. This construction ensures that the cable remains undamaged even during frequent transportation or in dynamic environments.

Technology Explained Simply
Singlemode fibres are designed for light transmission over long distances, with only a single light mode (light beam) being guided through the fibre. This minimises signal distortion and enables high data rates over long distances. SC connectors are a standard in fibre communication and provide a secure, easy-to-connect interface. The metal sheathing increases the mechanical stability of the cable and protects it from external influences such as mechanical pressure or bending stress. The designation Heavy Duty Line highlights the high load capacity of the product.

Compatibility and Accessories
The lead-in/return fibre is designed for use with network test devices equipped with SC connectors. It is part of the product line from Softing IT Networks, specifically developed for measuring and diagnosing fibre cable networks. The fibre can be combined with other components from the same product series to create a complete testing environment.

Installation and Mounting
Installation is performed by simply plugging the SC connectors into the corresponding ports of the test devices and the fibre link under test. The robust construction allows for flexible handling, even during frequent installation and removal. The metal sheathing protects the cable during use and extends its service life.

Operational Advantages
The fibre provides a reliable connection over a length of 300 metres, increasing flexibility in the placement of test devices. The robust design ensures a long service life and minimises the need for replacement or repair. The use of standard SC connectors ensures compatibility with a wide range of devices and systems. Singlemode technology enables precise measurements with high signal quality.